30 Mar
2021
30 Mar
'21
5:21 a.m.
the hammer fired to make an impression the ribbon on
the paper, which was
caused the noise people associated with computer printers.
GE outdid the printer with a fantastically fast pneumatic card reader. The make
and break of the suction on each card repeated at aural frequency and so loud
that I hied off to the instrument stockroom to borrow a noise meter. It was 90db
at the operator's position.